Add or subtract. Express the answer as a mixed number.2
+ 8
A. 11
B. 10
C. 5
D. 11
Answer: D
Mathematics
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Solve the problem.The physics department of a college has 7 male professors, 10 female professors, 14 male teaching assistants, and 9 female teaching assistants. If a person is selected at random from the group, find the probability that the selected person is a teaching assistant or a female.
A. 
B. 
C. 
D. 
Mathematics
Simplify.7
A. 7q
B. 21
C. 21p3q3
D. 21p3q
Mathematics
Find percent notation.0.1
A. 0.01% B. 0.1% C. 100% D. 10%
Mathematics
What was the 87 and older population three decades ago? Round to the closest whole number.The nation's 87 and older population has tripled over the past three decades, reaching 1.2 million in 2010.
A. 100,000 B. 0.9 million C. 400,000 D. 3.6 million
Mathematics